vulnerability
Arch Linux: Arbitrary code execution (CVE-2020-12406)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Jul 9, 2020 | Jul 11, 2025 | Mar 25, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Jul 9, 2020
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
Mozilla Developer Iain Ireland discovered a missing type check in Firefox before 77.0 and Thunderbird before 68.9.0 during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code.
Solution
arch-linux-upgrade-latest
References
Rapid7 Labs
2026 Global Threat Landscape Report
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